Lenovo ThinkServer TD350 Bedienungsanleitung Seite 78

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Ensurethatyouhaveanadequatenumberofproperlygroundedelectricaloutletsfortheserver,monitor,
andotherdevices.
Backupallimportantdatabeforeyoumakechangestodrives.
Haveasmallflat-bladescrewdriveravailable.
Youdonothavetoturnofftheservertoinstallorreplaceahot-swapredundantpowersupply,ahot-swap
internalstoragedrive,orahot-plugUSBdevice.However,youmustturnofftheserverandremovetheac
powersources,suchashot-swapredundantpowersupplies,fromtheserverbeforeperforminganystep
thatinvolvesinstalling,removing,orreplacingadaptercablesornon-hot-swapdevicesorcomponents.
ToviewtheLEDs,leavetheserverconnectedtopower.
Whenyouarefinishedworkingontheserver,reinstallallsafetyshields,guards,labels,andgroundwires.
Whenworkinginsidetheserver,youmightfindsometaskseasierifyoulaytheserveronitsside.
Handlingstatic-sensitivedevices
Attention:Donotopenthestatic-protectivepackagethatcontainsthenewpartuntilthedefectiveparthasbeen
removedfromtheserverandyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,
canseriouslydamageservercomponentsandparts.
Anyserverpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.
Notes:
Useproduct-specificESDprocedureswhentheyexceedtherequirementsnotedinthistopic.
EnsurethattheESDprotectivedevicesyouusehavebeencertified(ISO9000)asfullyeffective.
Whenyouhandleserverpartsandcomponents,taketheseprecautionstoavoidstatic-electricitydamage:
Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
Alwayscarefullyhandlethepartsandothercomponents(suchasPCIExpresscards,memorymodules,
systemboards,andmicroprocessors)byedgesorframe.Donottouchsolderjoints,pins,orexposed
circuitry.
Donotleavethedevicewhereotherscanhandleandpossiblydamagethedevice.
Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontainingthenewparttoan
unpaintedmetalpartoftheserverforatleasttwoseconds.Thisreducesstaticelectricityfromthe
packageandyourbody.
Removethenewpartfromthestatic-protectivepackageanddirectlyinstallitintheserverwithout
placingitonanyothersurface.Ifitishardforyoutodothisinyourspecificsituation,placethe
static-protectivepackageofthenewpartonasmooth,levelsurface,andthenplacethenewparton
thestatic-protectivepackage.
Donotplacethepartontheservercoverorothermetalsurface.
Takeadditionalcarewhenhandlingdevicesduringcoldweather.Heatingreducesindoorhumidity
andincreasesstaticelectricity.
Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen
handlingESD-sensitivedevices.
Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststrap.
64ThinkServerTD350UserGuideandHardwareMaintenanceManual
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